RH

Ralf Heidler

Schlumberger Technology: 9 patents #692 of 7,293Top 10%
Overall (All Time): #583,257 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7603237 Method for analyzing data having shared and distinct properties Nicholas J. Heaton, Jack A. La Vigne, Henry N. Bachman 2009-10-13
6956370 Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal component 2005-10-18
6808028 Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore Charles Woodburn 2004-10-26
6714009 Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements 2004-03-30
6326784 Nuclear magnetic resonance logging with azimuthal resolution using gradient coils Krishnamurthy Ganesan, Steven F. Crary, Bruno Luong, Peter Speier 2001-12-04
6291995 Apparatus and method for generating a pulse sequence Peter Speier 2001-09-18
6246236 Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling Martin E. Poitzsch, Steven F. Crary, Krishnamurthy Ganesan, Bruno Luong, Peter Speier 2001-06-12
6237404 Apparatus and method for determining a drilling mode to optimize formation evaluation measurements Steven F. Crary, Cengiz Esmersoy, Martin E. Poitzsch 2001-05-29
6184681 Apparatus and method for computing a distribution of spin-spin relaxation times Roger A. Dworak, Bruno Luong, Martin E. Poitzsch 2001-02-06